MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dfab25d3ccff9a33396c252590c27c57f23f9a94b11ebd9834b23981b0908e6. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 4dfab25d3ccff9a33396c252590c27c57f23f9a94b11ebd9834b23981b0908e6
SHA3-384 hash: a7c72ece9f16c61736e50f101b64101d40b45f80dcb314e67995d23c9391978ba552f838f6be9566d7b74171eeb73297
SHA1 hash: b6e78de80bbdc7748dfcbea47bc43593b587b075
MD5 hash: a88e3833ee5ccb2434ee90aa645a8894
humanhash: washington-mango-indigo-mobile
File name:NEW ORDER RE PO88224.PDF.EXE
Download: download sample
Signature Formbook
File size:476'160 bytes
First seen:2021-09-24 08:13:00 UTC
Last seen:2021-09-24 12:14:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:5ZrYGEVYoe9w7blnIuYMoGcMI5H9MXJ3dGMMLVbGJKJewYkVf:v8YH9wXlnIu4GcM2oBURGJeBV
TLSH T15BA4F050A7DCEB9FE3192975A9546C004276E3DD21E3DE4AEC6A40793CE220CF721ED6
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
5
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NEW ORDER RE PO88224.PDF.EXE
Verdict:
Malicious activity
Analysis date:
2021-09-24 08:13:33 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 489609 Sample: NEW ORDER RE PO88224.PDF.EXE Startdate: 24/09/2021 Architecture: WINDOWS Score: 100 33 www.grypeguidgorge.com 2->33 35 ic-54113400-0ac7b9-windowsupdate48.s.loris.llnwd.net 2->35 37 ic-54113400-0a7b2f-windowsupdate48.s.loris.llnwd.net 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 12 other signatures 2->51 11 NEW ORDER RE PO88224.PDF.EXE 3 2->11         started        signatures3 process4 file5 31 C:\Users\...31EW ORDER RE PO88224.PDF.EXE.log, ASCII 11->31 dropped 65 Injects a PE file into a foreign processes 11->65 15 NEW ORDER RE PO88224.PDF.EXE 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 39 olinia.xyz 173.212.200.118, 49842, 80 CONTABODE Germany 18->39 41 www.micomunidadcenter.com 52.58.78.16, 49840, 80 AMAZON-02US United States 18->41 43 7 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 55 Performs DNS queries to domains with low reputation 18->55 22 wscript.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 22->57 59 Modifies the context of a thread in another process (thread injection) 22->59 61 Maps a DLL or memory area into another process 22->61 63 Tries to detect virtualization through RDTSC time measurements 22->63 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-09-23 22:29:00 UTC
AV detection:
10 of 27 (37.04%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ny9y loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.caddomain.com/ny9y/
Unpacked files
SH256 hash:
1a6fcf547d44184e576f486f4d672be2613a3ef314ed06bce2e1888fa99579ff
MD5 hash:
e262cb87a34c8c3ef53b59f4bc83f6ae
SHA1 hash:
bd697d252ed3993bec0745386c9ae5a58516200c
SH256 hash:
2241e105f4d9d02f898d8395a712a1c61bcae5d5cf5e52dc37cccd9a4cbe7bb1
MD5 hash:
36fa916ea33da29b017dc9b363834024
SHA1 hash:
a75acb3c65f0a012f58a4c00b4d0c9eb7bf38da6
SH256 hash:
66088d552ef484d84717c47c1fe3c33cba8b46921bb3e870bcd86901da845dbe
MD5 hash:
5bf8d50fa120a04c8622c4e963c81eda
SHA1 hash:
6169295dfa1364c6ab4e96e64262669437c91207
SH256 hash:
4dfab25d3ccff9a33396c252590c27c57f23f9a94b11ebd9834b23981b0908e6
MD5 hash:
a88e3833ee5ccb2434ee90aa645a8894
SHA1 hash:
b6e78de80bbdc7748dfcbea47bc43593b587b075
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 4dfab25d3ccff9a33396c252590c27c57f23f9a94b11ebd9834b23981b0908e6

(this sample)

Comments